Home / 31,112.40-46,632.76-15,541.20

Finding the Fourth Proportional to 31,112.40, 46,632.76 and 15,541.20

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Solution

The fourth proportional to 31,112.40, 46,632.76 and 15,541.20 is: 23,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112.40 : 46,632.76 = 15,541.20 : x
  2. Step 2: Convert to fraction form
    31,112.40/46,632.76 = 15,541.20/x
  3. Step 3: Cross multiply
    31,112.40x = 46,632.76 × 15,541.20
  4. Step 4: Simplify right side
    31,112.40x = 724,729,049.71
  5. Step 5: Solve for x
    x = 724,729,049.71/31,112.40
  6. Step 6: Final answer
    x = 23,293.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.